Show announces in timelines

assets/css/clacks.scss

@@ -116,6 +116,11 @@ ul.status-list {
 	border: 1px solid #ddd;
 	background-color: #f2f2f2;
 
+	.status-announcer {
+		margin-top: 0;
+		margin-bottom: 0.5rem;
+	}
+
 	.status-meta {
 		display: flex;
 		flex-direction: row;

lib/clacks/timeline.ex

@@ -11,7 +11,7 @@ defmodule Clacks.Timeline do
           params :: map(),
           only_public :: boolean()
         ) :: [
-          Activity.t()
+          {Activity.t(), Actor.t(), {Activity.t() | nil, Actor.t() | nil}}
         ]
   def actor_timeline(actor, params, only_public \\ true) do
     Activity
@@ -20,11 +20,16 @@ defmodule Clacks.Timeline do
     |> restrict_to_public(only_public)
     |> paginate(params)
     |> limit(^Map.get(params, "limit", 20))
+    |> join_with_announces()
+    |> select(
+      [activity, announced, announced_actor],
+      {activity, {announced, announced_actor}}
+    )
     |> Repo.all()
   end
 
   @spec home_timeline(user :: User.t(), params :: map()) :: [
-          {Activity.t(), Actor.t()}
+          {Activity.t(), Actor.t(), {Activity.t() | nil, Actor.t() | nil}}
         ]
   def home_timeline(user, params) do
     user =
@@ -46,10 +51,17 @@ defmodule Clacks.Timeline do
     |> restrict_to_types(@timeline_types)
     |> paginate(params)
     |> limit(^Map.get(params, "limit", 20))
+    |> join_with_announces()
+    |> select(
+      [activity, actor, announced, announced_actor],
+      {activity, actor, {announced, announced_actor}}
+    )
     |> Repo.all()
   end
 
-  @spec local_timeline(params :: map()) :: [{Activity.t(), Actor.t()}]
+  @spec local_timeline(params :: map()) :: [
+          {Activity.t(), Actor.t(), {Activity.t() | nil, Actor.t() | nil}}
+        ]
   def local_timeline(params) do
     Activity
     |> where([a], a.local)
@@ -58,6 +70,11 @@ defmodule Clacks.Timeline do
     |> paginate(params)
     |> limit(^Map.get(params, "limit", 20))
     |> join_with_actors()
+    |> join_with_announces()
+    |> select(
+      [activity, actor, announced, announced_actor],
+      {activity, actor, {announced, announced_actor}}
+    )
     |> Repo.all()
   end
 
@@ -82,6 +99,18 @@ defmodule Clacks.Timeline do
   defp join_with_actors(query) do
     query
     |> join(:left, [o], a in Actor, on: a.ap_id == fragment("?->>'actor'", o.data))
-    |> select([o, a], {o, a})
+  end
+
+  defp join_with_announces(query) do
+    query
+    |> join(:left, [a], other in Activity,
+      on:
+        fragment("?->>'type'", a.data) == "Announce" and
+          fragment("?->>'type'", other.data) == "Create" and
+          fragment("?->>'object'", a.data) == fragment("?->'object'->>'id'", other.data)
+    )
+    |> join(:left, [a, ..., announced], actor in Actor,
+      on: actor.ap_id == fragment("?->>'actor'", announced.data)
+    )
   end
 end

lib/clacks_web/controllers/frontend_controller.ex

@@ -31,11 +31,15 @@ defmodule ClacksWeb.FrontendController do
 
   defp index({:profile, nickname}, conn, params) do
     case Actor.get_by_nickname(nickname) do
+      # only local profiles are shown
       %Actor{local: true} = actor ->
-        # only local profiles are shown
+        statuses_with_actor =
+          actor_statuses(actor, params, only_public: true)
+          |> Enum.map(fn {activity, announce} -> {activity, actor, announce} end)
+
         render(conn, "profile.html", %{
           actor: actor,
-          statuses: actor_statuses(actor, params, only_public: true)
+          statuses_with_actor: statuses_with_actor
         })
 
       _ ->
@@ -127,10 +131,14 @@ defmodule ClacksWeb.FrontendController do
       user ->
         user = Repo.preload(user, :actor)
 
+        statuses_with_actor =
+          actor_statuses(user.actor, params, only_public: true)
+          |> Enum.map(fn {activity, announce} -> {activity, user.actor, announce} end)
+
         render(conn, "profile.html", %{
           current_user: current_user,
           actor: user.actor,
-          statuses: actor_statuses(user.actor, params, only_public: true),
+          statuses_with_actor: statuses_with_actor,
           following_state: following_state(current_user.actor, user.actor)
         })
     end
@@ -144,10 +152,14 @@ defmodule ClacksWeb.FrontendController do
         resp(conn, 404, "Not Found")
 
       actor ->
+        statuses_with_actor =
+          actor_statuses(actor, params, only_public: true)
+          |> Enum.map(fn {activity, announce} -> {activity, actor, announce} end)
+
         render(conn, "profile.html", %{
           current_user: current_user,
           actor: actor,
-          statuses: actor_statuses(actor, params, only_public: true),
+          statuses_with_actor: statuses_with_actor,
           following_state: following_state(current_user.actor, actor)
         })
     end

lib/clacks_web/templates/frontend/_status.html.eex

@@ -1,4 +1,9 @@
 <div class="status h-entry">
+  <%= if assigns[:announcer] do %>
+    <p class="status-announcer">
+      Announced by <a href="<%= local_actor_link(@announcer) %>"><%= @announcer.data["preferredUsername"] %></a>
+    </p>
+  <% end %>
   <div class="status-meta">
     <h2 class="status-author-nickname">
       <a href="<%= local_actor_link(@author) %>" class="p-author">

lib/clacks_web/templates/frontend/_timeline.html.eex

@@ -6,9 +6,14 @@
 <% end %>
 
 <ul class="status-list">
-  <%= for {status, author} <- @statuses_with_authors do %>
+  <%= for {status, author, announced} <- @statuses_with_authors do %>
     <li>
-      <%= render "_status.html", conn: @conn, author: author, status: status, note: status.data["object"] %>
+      <%= if status.data["type"] == "Announce" do %>
+        <% {announced_status, announced_actor} = announced %>
+        <%= render "_status.html", conn: @conn, announcer: author, status: announced_status, note: announced_status.data["object"], author: announced_actor %>
+      <% else %>
+        <%= render "_status.html", conn: @conn, author: author, status: status, note: status.data["object"] %>
+      <% end %>
     </li>
   <% end %>
 </ul>

lib/clacks_web/templates/frontend/profile.html.eex

@@ -30,4 +30,4 @@
   <% end %>
 </div>
 
-<%= render "_timeline.html", conn: @conn, statuses_with_authors: Enum.map(@statuses, &({&1, @actor})) %>
+<%= render "_timeline.html", conn: @conn, statuses_with_authors: @statuses_with_actor %>

lib/clacks_web/views/frontend_view.ex

@@ -88,6 +88,7 @@ defmodule ClacksWeb.FrontendView do
 
   defp activity_id(%Activity{id: id}), do: id
   defp activity_id({%Activity{id: id}, _}), do: id
+  defp activity_id({%Activity{id: id}, _, _}), do: id
 
   @spec mentions_for_replying_to(Activity.t()) :: String.t()
   defp mentions_for_replying_to(conn, %Activity{